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Relevant bibliographies by topics / Wide area networks (Computer networks) – Evaluation

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Academic literature on the topic 'Wide area networks (Computer networks) – Evaluation'

Author: Grafiati

Published: 10 December 2022

Last updated: 29 January 2023

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Journal articles on the topic "Wide area networks (Computer networks) – Evaluation"

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NABESHIMA, M. "Performance Evaluation of MulTCP in High-Speed Wide Area Networks." IEICE Transactions on Communications E88-B, no. 1 (January 1, 2005): 392–96. http://dx.doi.org/10.1093/ietcom/e88-b.1.392.

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Clarke, RT, SJ Nichols, and P. Mars. "Transputer-based simulation tool for performance evaluation of wide area telecommunications networks." Microprocessors and Microsystems 13, no. 3 (April 1989): 173–78. http://dx.doi.org/10.1016/0141-9331(89)90123-3.

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Akella, Aditya, Srinivasan Seshan, and Anees Shaikh. "An empirical evaluation of wide-area internet bottlenecks." ACM SIGMETRICS Performance Evaluation Review 31, no. 1 (June 10, 2003): 316–17. http://dx.doi.org/10.1145/885651.781075.

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Nekovee, Maziar, Marinho P. Barcellos, and Michael Daw. "Reliable multicast for the Grid: a case study in experimental computer science." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 363, no. 1833 (July 18, 2005): 1775–91. http://dx.doi.org/10.1098/rsta.2005.1606.

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In its simplest form, multicast communication is the process of sending data packets from a source to multiple destinations in the same logical multicast group. IP multicast allows the efficient transport of data through wide-area networks, and its potentially great value for the Grid has been highlighted recently by a number of research groups. In this paper, we focus on the use of IP multicast in Grid applications, which require high-throughput reliable multicast. These include Grid-enabled computational steering and collaborative visualization applications, and wide-area distributed computing. We describe the results of our extensive evaluation studies of state-of-the-art reliable-multicast protocols, which were performed on the UK's high-speed academic networks. Based on these studies, we examine the ability of current reliable multicast technology to meet the Grid's requirements and discuss future directions.

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Ojo, Mike Oluwatayo, Davide Adami, and Stefano Giordano. "Experimental Evaluation of a LoRa Wildlife Monitoring Network in a Forest Vegetation Area." Future Internet 13, no. 5 (April 29, 2021): 115. http://dx.doi.org/10.3390/fi13050115.

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Smart agriculture and wildlife monitoring are one of the recent trends of Internet of Things (IoT) applications, which are evolving in providing sustainable solutions from producers. This article details the design, development and assessment of a wildlife monitoring application for IoT animal repelling devices that is able to cover large areas, thanks to the low power wide area networks (LPWAN), which bridge the gap between cellular technologies and short range wireless technologies. LoRa, the global de-facto LPWAN, continues to attract attention given its open specification and ready availability of off-the-shelf hardware, with claims of several kilometers of range in harsh challenging environments. At first, this article presents a survey of the LPWAN for smart agriculture applications. We proceed to evaluate the performance of LoRa transmission technology operating in the 433 MHz and 868 MHz bands, aimed at wildlife monitoring in a forest vegetation area. To characterize the communication link, we mainly use the signal-to-noise ratio (SNR), received signal strength indicator (RSSI) and packet delivery ratio (PDR). Findings from this study show that achievable performance can greatly vary between the 433 MHz and 868 MHz bands, and prompt caution is required when taking numbers at face value, as this can have implications for IoT applications. In addition, our results show that the link reaches up to 860 m in the highly dense forest vegetation environment, while in the not so dense forest vegetation environment, it reaches up to 2050 m.

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Lakshmi Narayana, Chavala, Rajesh Singh, and Anita Gehlot. "Performance evaluation of LoRa based sensor node and gateway architecture for oil pipeline management." International Journal of Electrical and Computer Engineering (IJECE) 12, no. 1 (February 1, 2022): 974. http://dx.doi.org/10.11591/ijece.v12i1.pp974-982.

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These days, the oil industrial industry is leaning toward employing smart field improvements to streamline various activities in the midstream area. Oil transportation over large distances via pipelines has a cheap cost and high efficiency in this sector. If pipelines are not properly maintained, they may fail, potentially causing catastrophic, long-term, and irreversible consequences on both natural and human conditions. Low power wide area networks (LPWANs) are without a doubt one of the domains that cause the most from industrial fields when it comes to realizing the vision of the internet of things (IoT). Long-range (LoRa) is an emerging LPWAN technology that is particularly useful for transmitting data over long distances. The goal of this work is to offer a methodology for managing oil pipelines over long distances utilizing the LoRa communication protocol and the installation of sensor nodes and LoRa gateways along the pipeline. We also used the optimized network engineering tools (OPNET) simulator to examine various simulation findings of LoRa performance.

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Oukessou, Yassine, Mohamed Baslam, and Mohamed Oukessou. "Improved uplink throughput and energy efficiency of LoRaWAN using 2-hop LEACH protocol." Indonesian Journal of Electrical Engineering and Computer Science 24, no. 3 (December 1, 2021): 1557. http://dx.doi.org/10.11591/ijeecs.v24.i3.pp1557-1563.

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The low power wide area networks (LPWAN) is the new connectivity technology that is geared towards energy constrained internet of things (IoT) devices, is starting to become one of the drivers of the re-accelerating IoT market and has one goal: ensure the wide range distance while reducing the battery energy consumption. We focus in this paper on the evaluation of the uplink throughput of the long-range wide area networks (LoRaWAN) then we attempt optimize the throughput and power dissipation using low energy adaptive clustering hierarchy (LEACH) protocol. Therefore, we exploit a novel module developed in NS-3 simulator for obtaining the first measurements scenario, then the LEACH algorithm for the second optimization case. As result, the simulation analysis will help us to add a new LoRaWAN routing protocol feature.

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Lavric, Alexandru, and Valentin Popa. "Performance Evaluation of LoRaWAN Communication Scalability in Large-Scale Wireless Sensor Networks." Wireless Communications and Mobile Computing 2018 (June 28, 2018): 1–9. http://dx.doi.org/10.1155/2018/6730719.

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The LoRaWAN communication protocol can be used for the implementation of the IoT (Internet of Things) concept. Currently, most of the information regarding the scalability of the LoRa technology is commercial and deals with the best-case scenario. Thus, we need realistic models, enabling the proper assessment of the performance level. Most of the time, the IoT concept entails a large number of nodes distributed over a wide geographical area, therefore forming a high density, large-scale architecture. It is important to determine the number of collisions so that we can assess the network performance. The present paper aims at assessing the performance level of the LoRaWAN technology by analyzing the number of packet collisions that can occur. Thus, this paper determines the maximum number of LoRa nodes that can communicate with a Gateway considering the LoRaWAN protocol specifications. Furthermore, we have proposed a series of solutions for reducing the number of collisions and increasing the capacity of the communication channel.

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Runge, Jason, and Radu Zmeureanu. "Forecasting Energy Use in Buildings Using Artificial Neural Networks: A Review." Energies 12, no. 17 (August 23, 2019): 3254. http://dx.doi.org/10.3390/en12173254.

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During the past century, energy consumption and associated greenhouse gas emissions have increased drastically due to a wide variety of factors including both technological and population-based. Therefore, increasing our energy efficiency is of great importance in order to achieve overall sustainability. Forecasting the building energy consumption is important for a wide variety of applications including planning, management, optimization, and conservation. Data-driven models for energy forecasting have grown significantly within the past few decades due to their increased performance, robustness and ease of deployment. Amongst the many different types of models, artificial neural networks rank among the most popular data-driven approaches applied to date. This paper offers a review of the studies published since the year 2000 which have applied artificial neural networks for forecasting building energy use and demand, with a particular focus on reviewing the applications, data, forecasting models, and performance metrics used in model evaluations. Based on this review, existing research gaps are identified and presented. Finally, future research directions in the area of artificial neural networks for building energy forecasting are highlighted.

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Milani, Stefano, and Ioannis Chatzigiannakis. "Design, Analysis, and Experimental Evaluation of a New Secure Rejoin Mechanism for LoRaWAN Using Elliptic-Curve Cryptography." Journal of Sensor and Actuator Networks 10, no. 2 (June 18, 2021): 36. http://dx.doi.org/10.3390/jsan10020036.

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LoRaWAN (Long Range Wide Area Network) is a Low-Power Wide Area Networks (LPWAN) technology with very rapid uptake during the previous years, developed by the LoRa (Long Range) Alliance as an open standard operating over the unlicensed band. Current LoRaWAN architecture foresees specific techniques for bootstrapping end-to-end encryption during network initialization. In particular, this work focuses on the Over-The-Air Activation (OTAA) method, which uses two keys (Network key (NwkKey) and Application key (AppKey)) that are hard-coded into the device and do not change throughout the entire lifetime of the deployment. The inability to refresh these two keys is as a weak point in terms of the overall security of the network especially when considering deployments that are expected to operate for at least 10–15 years. In this paper, the security issues of OTAA are presented in detail highlighting the vulnerabilities against the specific type of attacks. A new scheme for network activation is proposed that builds upon the current LoRaWAN architecture in a way that maintains backwards compatibility while resolving certain vulnerabilities. Under the new mechanism, the devices periodically negotiate new keys securely based on elliptic-curve cryptography. The security properties of the proposed mechanism are analyzed against a specific type of attacks. The analysis indicates that the new secure rejoin mechanism guarantees (i) computational key secrecy, (ii) decisional key secrecy, and (iii) key independence, forward and backward, for both root keys thus properly addressing the considered security vulnerabilities of LoRaWAN. Moreover, the method is implemented in software using the RIOT-OS, a hardware-independent operating system that supports many different architectures for 8 bit, 16 bit, 32 bit and 64 bit processors. The resulting software is evaluated on the FIT IoT-Lab real-world experimentation facility under a diverse set of ARM Cortex-M* devices targeting a broad range of IoT applications, ranging from advanced wearable devices to interactive entertainment devices, home automation and industrial cyber-physical systems. The experiments indicate that the overall overhead incurred in terms of energy and time by the proposed rejoin mechanism is acceptable given the low frequency of execution and the improvements to the overall security of the LoRaWAN1.1 OTAA method.

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Dissertations / Theses on the topic "Wide area networks (Computer networks) – Evaluation"

1

Yang, Yue Carleton University Dissertation Engineering Electrical. "Performance evaluation of an integrated FDDI-ATM-FDDI network." Ottawa, 1992.

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Norling, Kristoffer. "A Performance Evaluation of Secure Distributed Co-Simulation over Wide Area Networks." Thesis, Linköping University, Department of Computer and Information Science, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-15786.

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Different types of models often require different tools and environments to be modeled and simulated. These tools and environments are specialized to handle specific purposes. The models created for these special purposes can then be included in the modeling and simulation of large complex systems. This scenario increases the motivation to use a co-simulation technique. Co-simulation allows for coupling of different simulators into one coherent simulation. Different parts of a system are often modeled by different departments within an enterprise or by subcontractors. Since the models often are describing enterprises’ primary know-how they become important business assets. This raises the need for a secure modeling and simulation approach. This thesis discusses different approaches regarding how to securely simulate and distribute models. We focus on a distributed co-simulation approach over wide area networks (WANs), using transmission line modeling (TLM). The approach is tested in an experimental environment at Linköping University, Sweden, and by real condition co-simulations between Sweden and Australia. A series of experiments are conducted using a simulated WAN environment and the results are put in relation to the real encrypted simulations between Sweden and Australia. We measure the performance during the simulations and evaluate the results. We observe that by distributing the co-simulation we suffer from performance losses. These losses and what parameters cause them is our primary emphasis in the evaluation. We also see that there are two types of parameters that affect the total simulation time in the distributed environment. First there are parameters that belong to the models, and then there are parameters that belong to the WAN environment. We conclude that several of the parameters have effect on the total simulation time. Especially the network delay (latency) has a significant impact.

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Lin, Philip J. (Philip Jin-Yi). "Wide area optical backbone networks." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/11288.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.
Includes bibliographical references (p. 145-147).
by Philip Jin-Yi Lin.
Ph.D.

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Robeson, Bridget M. "A local area network & wide area network design." Master's thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-12232009-020117/.

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Voelker, Geoffrey Michael. "Cooperative caching in local-area and wide-area networks /." Thesis, Connect to this title online; UW restricted, 2000. http://hdl.handle.net/1773/7010.

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Hutchison, Andrew. "Modelling adaptive routing in Wide Area Networks." Master's thesis, University of Cape Town, 1991. http://hdl.handle.net/11427/13555.

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Bibliography: leaves 132-138.
This study investigates the modelling of adative routing algorithms with specific reference to the algorithm of an existing Wide Area Network (WAN). Packets in the network are routed at each node on the basis of routing tables which contain internal and external delays for each route from the node. The internal delay on a route represents the time that packets queued for transmission will have to wait before being transmitted, while the external delay on a route represents the delay to other nodes via that route. Several modelling methods are investigated and compared for the purpose of identifying the most appropriate and applicable technique. A model of routing in the WAN using an analytic technique is described. The hypothesis of this study is that dynamic routing can be modelled as a sequence of models exhibiting fixed routing. The modelling rationale is that a series of analytic models is run and solved. The routing algorithm of the WAN studied is such that, if viewed at any time instant, the network is one with static routing and no buffer overflow. This characteristic, together with a real time modelling requirement, influences the modelling technique which is applied. Each model represents a routing update interval and a multiclass open queueing network is used to solve the model during a particular interval. Descriptions of the design and implementation of X wan, an X Window based modelling system, are provided. A feature of the modelling system is that it provides a Graphical User Interface (GUI), allowing interactive network specification and the direct observation of network routing through the medium of this interface. Various applications of the modelling system are presented, and overall network behaviour is examined. Experimentation with the routing algorithm is conducted, and (tentative) recommendations are made on ways in which network performance could be improved. A different routing algorithm is also implemented, for the purpose of comparison and to demonstrate the ease with which this can be affected.

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Orfanidis, Charalampos. "Robustness in low power wide area networks." Licentiate thesis, Uppsala universitet, Avdelningen för datorteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-351481.

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During the past few years we have witnessed an emergence of Wide Area Networks in the Internet of Things area. There are several new technologies like LoRa, Wi-SUN, Sigfox, that offer long range communication and low power for low-bitrate applications. These new technologies enable new application scenarios, such as smart cities, smart agriculture, and many more. However, when these networks co-exist in the same frequency band, they may cause problems to each other since they are heterogeneous and independent. Therefore it is very likely to have frame collisions between the different networks. In this thesis we first explore how tolerant these networks are to Cross Technology Interference (CTI). CTI can be described as the interference from heterogeneous wireless technologies that share the same frequency band and is able to affect the robustness and reliability of the network. In particular, we select two of them, LoRa and Wi-SUN and carry out a series of experiments with real hardware using several configurations. In this way, we quantify the tolerance of cross technology interference of each network against the other as well as which configuration settings are important. The next thing we explored is how well channel sensing mechanisms can detect the other network technologies and how they can be improved. For exploring these aspects, we used the default Clear Channel Assessment (CCA) mechanism of Wi-SUN against LoRa interference and we evaluated how accurate it is. We also improved this mechanism in order to have higher accuracy detection against LoRa interference. Finally, we propose an architecture for WSNs which will enable flexible reconfiguration of the nodes. The idea is based on Software Defined Network (SDN) principles and could help on our case by reconfiguring a node in order to mitigate the cross-technology interference from other networks.

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Dussault, Robert (Joseph Fernand Robert) Carleton University Dissertation Engineering Electrical. "A Diagnostic expert system for wide area networks." Ottawa, 1992.

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Knight, Jon. "Supporting distributed computation over wide area gigabit networks." Thesis, Loughborough University, 1995. https://dspace.lboro.ac.uk/2134/7329.

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The advent of high bandwidth fibre optic links that may be used over very large distances has lead to much research and development in the field of wide area gigabit networking. One problem that needs to be addressed is how loosely coupled distributed systems may be built over these links, allowing many computers worldwide to take part in complex calculations in order to solve "Grand Challenge" problems. The research conducted as part of this PhD has looked at the practicality of implementing a communication mechanism proposed by Craig Partridge called Late-binding Remote Procedure Calls (LbRPC). LbRPC is intended to export both code and data over the network to remote machines for evaluation, as opposed to traditional RPC mechanisms that only send parameters to pre-existing remote procedures. The ability to send code as well as data means that LbRPC requests can overcome one of the biggest problems in Wide Area Distributed Computer Systems (WADCS): the fixed latency due to the speed of light. As machines get faster, the fixed multi-millisecond round trip delay equates to ever increasing numbers of CPU cycles. For a WADCS to be efficient, programs should minimise the number of network transits they incur. By allowing the application programmer to export arbitrary code to the remote machine, this may be achieved. This research has looked at the feasibility of supporting secure exportation of arbitrary code and data in heterogeneous, loosely coupled, distributed computing environments. It has investigated techniques for making placement decisions for the code in cases where there are a large number of widely dispersed remote servers that could be used. The latter has resulted in the development of a novel prototype LbRPC using multicast IP for implicit placement and a sequenced, multi-packet saturation multicast transport protocol. These prototypes show that it is possible to export code and data to multiple remote hosts, thereby removing the need to perform complex and error prone explicit process placement decisions.

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Brown, Alan. "Efficient service discovery in wide area networks." Thesis, University of Stirling, 2008. http://hdl.handle.net/1893/489.

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Living in an increasingly networked world, with an abundant number of services available to consumers, the consumer electronics market is enjoying a boom. The average consumer in the developed world may own several networked devices such as games consoles, mobile phones, PDAs, laptops and desktops, wireless picture frames and printers to name but a few. With this growing number of networked devices comes a growing demand for services, defined here as functions requested by a client and provided by a networked node. For example, a client may wish to download and share music or pictures, find and use printer services, or lookup information (e.g. train times, cinema bookings). It is notable that a significant proportion of networked devices are now mobile. Mobile devices introduce a new dynamic to the service discovery problem, such as lower battery and processing power and more expensive bandwidth. Device owners expect to access services not only in their immediate proximity, but further afield (e.g. in their homes and offices). Solving these problems is the focus of this research. This Thesis offers two alternative approaches to service discovery in Wide Area Networks (WANs). Firstly, a unique combination of the Session Initiation Protocol (SIP) and the OSGi middleware technology is presented to provide both mobility and service discovery capability in WANs. Through experimentation, this technique is shown to be successful where the number of operating domains is small, but it does not scale well. To address the issue of scalability, this Thesis proposes the use of Peer-to-Peer (P2P) service overlays as a medium for service discovery in WANs. To confirm that P2P overlays can in fact support service discovery, a technique to utilise the Distributed Hash Table (DHT) functionality of distributed systems is used to store and retrieve service advertisements. Through simulation, this is shown to be both a scalable and a flexible service discovery technique. However, the problems associated with P2P networks with respect to efficiency are well documented. In a novel approach to reduce messaging costs in P2P networks, multi-destination multicast is used. Two well known P2P overlays are extended using the Explicit Multi-Unicast (XCAST) protocol. The resulting analysis of this extension provides a strong argument for multiple P2P maintenance algorithms co-existing in a single P2P overlay to provide adaptable performance. A novel multi-tier P2P overlay system is presented, which is tailored for service rich mobile devices and which provides an efficient platform for service discovery.

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Books on the topic "Wide area networks (Computer networks) – Evaluation"

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Talbot, Christian. Beyond access and awareness: Evaluating electronic community networks. Boston Spa: British Library Research and Innovation Centre, 1999.

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International Workshop on Quality of Service (6th 1998 Napa, California). 1998 Sixth International Workshop on Quality of Service (IWQoS '98): Napa, California, USA, May 18-20, 1998. Piscataway, New Jersey: IEEE, 1998.

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Wide area networks. Upper Saddle River, N.J: Pearson/Prentice Hall, 2004.

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Regan, Patrick E. Wide area networks. Upper Saddle River, N.J: Pearson Education Inc., 2004.

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Reed, Kenneth D. Introduction to Wide Area Networks. Edited by WestNet Learning Technologies. Arvada, CO: WestNet Learning Technologies, 2000.

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Black, Uyless D. QOS in wide area networks. Upper Saddle River, N.J: Prentice Hall PTR, 2000.

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Feit, Sidnie. Wide area high speed networks. [Indianapolis, IN?]: Macmillan Technical Pub., 1999.

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Sadiku, Matthew N. O. Computer communication for Metropolitan and Wide area networks. Hauppauge, N.Y: Nova Science Publisher, 2009.

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Deploying license-free wireless wide-area networks. Indianapolis, IN: Cisco, 2003.

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Zach, Seils, Jin Nancy, and Cisco Systems Inc, eds. Deploying Cisco wide area application services. Indianapolis, IN: Cisco Press, 2010.

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Book chapters on the topic "Wide area networks (Computer networks) – Evaluation"

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Sadiku, Matthew N. O., and Sarhan M. Musa. "Wide Area Networks." In Performance Analysis of Computer Networks, 219–28. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-01646-7_8.

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Smith, Anthony H., and Raymond A. Hansen. "Wireless Wide Area Networks." In Handbook of Computer Networks, 1191–99. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118256114.ch74.

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Hura, Gurdeep Singh. "Terrestrial Wide Area Networks." In Handbook of Computer Networks, 116–35. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118256114.ch8.

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Freer, John R. "Wide area network standards." In Computer Communications and Networks, 243–77. Boston, MA: Springer US, 1988. http://dx.doi.org/10.1007/978-1-4613-1041-9_8.

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Lim, Hyotaek, DaeHun Nyang, and David H. C. Du. "An Efficient Video Prefix-Caching Scheme in Wide Area Networks." In Lecture Notes in Computer Science, 679–88. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-25978-7_68.

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Dushin, S. V., and S. A. Frolov. "Distributed Data Compression Algorithm for Low-Power Wide-Area Networks." In Communications in Computer and Information Science, 163–73. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-36625-4_14.

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Chakravorty, Rajiv, Julian Chesterfield, Pablo Rodriguez, and Suman Banerjee. "Measurement Approaches to Evaluate Performance Optimizations for Wide-Area Wireless Networks." In Lecture Notes in Computer Science, 257–66. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-24668-8_26.

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Umatani, Seiji, Masahiro Yasugi, and Taiichi Yuasa. "Abstract Machines for Safe Ambients in Wide-Area and Mobile Networks." In Lecture Notes in Computer Science, 172–86. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-21464-6_12.

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Kołodziej, Joanna, Daniel Grzonka, Adrian Widłak, and Paweł Kisielewicz. "Ultra Wide Band Body Area Networks: Design and Integration with Computational Clouds." In Lecture Notes in Computer Science, 279–306. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-16272-6_10.

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Ismail, I. S., N. A. Abdul Latiff, F. Z. Rokhani, and S. Abdul Aziz. "A Review on Performances Evaluation of Low Power Wide Area Networks Technology." In 10th International Conference on Robotics, Vision, Signal Processing and Power Applications, 343–49. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-6447-1_43.

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Conference papers on the topic "Wide area networks (Computer networks) – Evaluation"

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Oluwatope, Ayodeji, Biodun Obabire, G. Adesola Aderounmu, and Matthew Adigun. "End-to-End Performance Evaluation of Selected TCP Variants across a Hybrid Wireless Network." In InSITE 2006: Informing Science + IT Education Conference. Informing Science Institute, 2006. http://dx.doi.org/10.28945/3022.

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Reliable transport protocols such as TCP are tuned to perform well in traditional networks where packet losses occur mostly because of congestion. TCP is intended for use as a highly reliable end-to-end transport protocol for transporting applications such as World-Wide Web (WWW) between hosts in packet-switched computer communication networks. TCP was originally designed for wired links where the error rate is really low and actually assumed that packet losses are due to congestion in the network. However, the increasing popularity of wireless networks indicates that wireless links will play more important role in future internetworks but TCP performance in such networks suffers from significant throughput degradation and very high interactive delays. TCP responds to all losses by invoking congestion control and avoidance algorithms, resulting in degraded end-to-end performance in wireless and lossy systems. Thus, in a bid to show and determine the possibility of adapting TCP protocol for optimal performance on the wireless link, this paper reviews and models the behaviors of TCP variants with a view to evaluate the end-to-end performance analysis of TCP versions: TCP Reno, TCP SACK and TCP Westwood (TCPW), which are designed to improve the performance of TCP in lossy networks. A wireless network model was developed using NS-2 network simulator which and the model was simulated. The results were analyzed in MATLAB 6.5 using throughput as a metric for comparison. The overall results indicate that TCP Westwood (TCPW) demonstrates better performance indices over other versions in a hybrid wireless network environment.

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Schoder, K., M. Stanovich, T. Vu, C. Edrington, and M. Steurer. "Extended heterogeneous controller hardware-in-the-loop testbed for evaluating distributed controls." In 14th International Naval Engineering Conference and Exhibition. IMarEST, 2018. http://dx.doi.org/10.24868/issn.2515-818x.2018.051.

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A framework and testbed for evaluating system-level controls through quantifiable metrics has been developed following a hardware-in-the-loop approach. The testbed builds on a combination of real-time modelling and simulation, network communication and surrogate control platforms, and allows testing control algorithms early in the design and development cycle. The framework facilitates derisking and benchmarking of a wide variety of applications, but power, energy and reconfiguration management schemes for the notional zonal MVDC shipboard power system architecture are of primary interest. As part of the testbed developments, realtime dynamic simulation models of future naval shipboard power system have been implemented using several simulation platforms and various levels of fidelity. The second core testbed component is based on a heterogeneous set of controller platforms that allows realization of distributed controllers with a node count on the order of 100, each interfaced to a digital real-time simulator. Third, a dedicated network simulator provides a means to emulate computer networks linking simulation and controls. Extending previous efforts, this testbed significantly increases the hosting and evaluation capabilities of physically separate control units. To improve flexibility and affordability, surrogate control platforms were chosen that enable real-time execution but may not have all characteristics of the deployed hardware. As surrogate platforms and power system simulation are linked by digital communication means, the need for individual channel rewiring is avoided and replaced by automation for experiment reconfiguration, enabling the integrated testbed to support dynamic selection and execution of a large number of experiments.

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Xi, Zhen-yuan, Lu-yi Chen, Wei-min Hu, Yong-xia Yu, and Tie-jun Shao. "Signed Information for Wide-Area Networks." In 2009 Second International Conference on Computer and Electrical Engineering (ICCEE). IEEE, 2009. http://dx.doi.org/10.1109/iccee.2009.31.

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Abbas, Riyadh, Ali Al-Sherbaz, Abdeldjalil Bennecer, and Phil Picton. "Collision Evaluation in Low Power Wide Area Networks." In 2019 IEEE SmartWorld, Ubiquitous Intelligence & Computing, Advanced & Trusted Computing, Scalable Computing & Communications, Cloud & Big Data Computing, Internet of People and Smart City Innovation (SmartWorld/SCALCOM/UIC/ATC/CBDCom/IOP/SCI). IEEE, 2019. http://dx.doi.org/10.1109/smartworld-uic-atc-scalcom-iop-sci.2019.00271.

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Davis and Chen. "Calibrating pan-tilt cameras in wide-area surveillance networks." In ICCV 2003: 9th International Conference on Computer Vision. IEEE, 2003. http://dx.doi.org/10.1109/iccv.2003.1238329.

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Hu, Weilong, Zan Li, and Linlin Liang. "Wide area and wide band spectrum monitoring system based on sensor networks." In 2016 International Conference on Computer, Information and Telecommunication Systems (CITS). IEEE, 2016. http://dx.doi.org/10.1109/cits.2016.7546438.

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Sharma, Abhishek, Kevin Yoon, David Vanhorn, Matheiu Dube, Volus McKenna, and Michael S. Bauer. "ScoutNode: A Multimodal Sensor Node for Wide Area Sensor Networks." In 2009 Proceedings of 18th International Conference on Computer Communications and Networks - ICCCN 2009. IEEE, 2009. http://dx.doi.org/10.1109/icccn.2009.5235300.

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Schragger, P. "Scheduling algorithms for burst reservations on wide area high speed networks." In IEEE INFCOM '91. The conference on Computer Communications. Tenth Annual Joint Comference of the IEEE Computer and Communications Societies Proceedings. IEEE, 1991. http://dx.doi.org/10.1109/infcom.1991.147558.

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Eghbal, Nooshin, and Paul Lu. "Low-Variance Latency Through Forward Error Correction on Wide-Area Networks." In 2021 IEEE 46th Conference on Local Computer Networks (LCN). IEEE, 2021. http://dx.doi.org/10.1109/lcn52139.2021.9524966.

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Chung, Joaquin, Mainak Adhikari, Satish Narayana Srirama, Eun-Sung Jung, and Rajkumar Kettimuthu. "Resource Management for Processing Wide Area Data Streams on Supercomputers." In 2020 29th International Conference on Computer Communications and Networks (ICCCN). IEEE, 2020. http://dx.doi.org/10.1109/icccn49398.2020.9209669.

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